<div class="loading-pic" style="display: none">
  <div class="spinner">
    <div class="spinner-container container1">
      <div class="circle1"></div>
      <div class="circle2"></div>
      <div class="circle3"></div>
      <div class="circle4"></div>
    </div>
    <div class="spinner-container container2">
      <div class="circle1"></div>
      <div class="circle2"></div>
      <div class="circle3"></div>
      <div class="circle4"></div>
    </div>
    <div class="spinner-container container3">
      <div class="circle1"></div>
      <div class="circle2"></div>
      <div class="circle3"></div>
      <div class="circle4"></div>
    </div>
  </div>
</div>